The features indicated in Recommendations 1, 2, 6 and 7 for Type Z purging systems should be provided. 2. A timing ... The National Electrical Code and Canadian Electrical Code recognize intrinsically safe electrical equipment and its wiring.
|Title||:||International Symposium on Grain Elevator Explosions, July 11-12, 1978|
|Publisher||:||National Academies - 1978|